1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.util.json;
24  
25  import com.liferay.portal.kernel.json.JSONObject;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  
29  import org.jabsorb.JSONSerializer;
30  import org.jabsorb.serializer.MarshallException;
31  import org.jabsorb.serializer.UnmarshallException;
32  
33  /**
34   * <a href="JSONFactoryUtil.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   */
38  public class JSONFactoryUtil {
39  
40      public static Object deserialize(JSONObject jsonObj) {
41          return _instance._deserialize(jsonObj);
42      }
43  
44      public static Object deserialize(String json) {
45          return _instance._deserialize(json);
46      }
47  
48      public static String serialize(Object obj) {
49          return _instance._serialize(obj);
50      }
51  
52      private JSONFactoryUtil() {
53          _serializer = new JSONSerializer();
54  
55           try {
56               _serializer.registerDefaultSerializers();
57           }
58           catch (Exception e) {
59               _log.error(e, e);
60           }
61      }
62  
63      private Object _deserialize(JSONObject jsonObj) {
64          return _deserialize(jsonObj.toString());
65      }
66  
67      private Object _deserialize(String json) {
68          try {
69              return _serializer.fromJSON(json);
70          }
71          catch (UnmarshallException ue) {
72               _log.error(ue, ue);
73  
74              throw new IllegalStateException("Unable to deserialize oject", ue);
75          }
76      }
77  
78      private String _serialize(Object obj) {
79          try {
80              return _serializer.toJSON(obj);
81          }
82          catch (MarshallException me) {
83              _log.error(me, me);
84  
85              throw new IllegalStateException("Unable to serialize oject", me);
86          }
87      }
88  
89      private static Log _log = LogFactoryUtil.getLog(JSONFactoryUtil.class);
90  
91      private static JSONFactoryUtil _instance = new JSONFactoryUtil();
92  
93      private JSONSerializer _serializer;
94  
95  }